3872601 has 6 divisors (see below), whose sum is σ = 5593770. Its totient is φ = 2581728.

The previous prime is 3872591. The next prime is 3872647. The reversal of 3872601 is 1062783.

It can be written as a sum of positive squares in only one way, i.e., 2322576 + 1550025 = 1524^2 + 1245^2 .

It is not a de Polignac number, because 3872601 - 2¹³ = 3864409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3872681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215136 + ... + 215153.

It is an arithmetic number, because the mean of its divisors is an integer number (932295).

Almost surely, 2^3872601 is an apocalyptic number.

It is an amenable number.

3872601 is a deficient number, since it is larger than the sum of its proper divisors (1721169).

3872601 is a wasteful number, since it uses less digits than its factorization.

3872601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430295 (or 430292 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3872601 is about 1967.8925275533. The cubic root of 3872601 is about 157.0366122844.

The spelling of 3872601 in words is "three million, eight hundred seventy-two thousand, six hundred one".